Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-9b7fbaaf-1483-11f0-8b1b-000d3a3190f0

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

099cf300

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-3321dc23-88ec-470a-adaf-3fabd022aa49

Comm: tcp://127.0.0.1:44805	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:44069	Total threads: 1
Dashboard: http://127.0.0.1:35567/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:42745
Local directory: /tmp/dask-scratch-space/worker-bxqqtt9x

Worker: 1

Comm: tcp://127.0.0.1:40813	Total threads: 1
Dashboard: http://127.0.0.1:45125/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:34409
Local directory: /tmp/dask-scratch-space/worker-_oqteavn

Worker: 2

Comm: tcp://127.0.0.1:44817	Total threads: 1
Dashboard: http://127.0.0.1:42957/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:37429
Local directory: /tmp/dask-scratch-space/worker-uyskv7co

Worker: 3

Comm: tcp://127.0.0.1:41941	Total threads: 1
Dashboard: http://127.0.0.1:37533/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:42435
Local directory: /tmp/dask-scratch-space/worker-c8l4s4ry

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)